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Wider PrintrBot Base and 12mm Z axis, Stylized

by morrisgunn, published

Wider PrintrBot Base and 12mm Z axis, Stylized by morrisgunn Apr 6, 2012
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This is a Widening of the original PrintrBot base that I had an idea for since I am building a larger than stock Printrbot. It is designed to hold 12mm Z rods and LME12UU bearings from VXB. I have stylized the parts I edited to be a bit more edgy. I will be stylizing and uploading the rest of the pieces as I replace them on my machine (which is not complete yet.)

the X axis will have slightly less travel to make room for the 12mm hardware, and the Z rods will sit a little bit deeper in the base slightly reducing the Z travel per rod size.

I have not yet printed these, if anyone has feedback I would love to hear it.

Thank You Brook Drumm for giving us the PrintrBot! http://www.thingiverse.com/thing:16990

Oh, this is my first THING!

Ready to rock! I will print these this weekend or as soon as I get my Printrbot working.

Base with 8mm Z rod uploaded, make sure you get the right one.
Will upload source files at a later time.


print and assemble like a normal PrintrBot, replacing 8mm Z hardware with 12mm versions. You will need more parts from the original Printrbot, as this is only the base and X end pieces.



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It's great !
Do you think we can make a printrbot with 12mm X&Y rods too ?

Houston, we have a problem. I just finished up assembling your parts and ran into a problem with the z-axis motors stalling. Please see attached photos. When I lower the x-carriage, the nuts are to close to the bearing causing the nuts to bind in the lead screws. I measured the delta from top to bottom and it looks like a 3 mm difference. So, I'd think if we shift the nuts out 1.5 mm on both side that should line up the lead screws. I'm not sure if you have time but if not could you please post the source so I can mod? Thanks Morrisgun!!!

OK, try the new Test versions, I moved the nuts out 1.5 mm. I will post the full source .blend file soon.

Thanks Morrisgunn, I'm printing the Printrbot_Wide_X_Motor_test right now. The Printrbot_Wide_X_Idler_test has the two hole problem again. I don't know what it is about thos two holes, I tried to repair with netfabb but it filled in half the holes. I took some screen shots for you.

Never mind, I figured out the problem (calibration grrrr). Could you please post the source, I'd like to add the adjustable z endstop and modify some of the other files. Thanks so much for this post. I finally finished my printrbot+ (200mm X 200mm printable area) THANK you so much!!!!!

I had a similar problem with my original Printrbot, I will try to get you an updated file today. Thanks for doing troubleshooting work on this, I dont have the ability to print it yet.

I was able to print out all the parts except for one Printrbot_wide_X_idler, it has non-manifold holes. I tried to repair but couldn't, it just removes the holes. How can I fix these non-manifold holes?

sorry about that, I have replaced the file with a completely manifold version. apparently I forgot to merge a few vertices. please try again, and sorry for the inconvenience.

Thanks Morrisgunn. I just tried to slice and print the new file but now it says

"The model has overlapping or self-intersecting facets" and the holes don't show up correctly. I tried netfabb to fix but it failed processing (netfabb fixed all your other files). Sorry for being such a pain in your butt.

hey no problem. my printer is not working yet so I have not had a chance to test any models at all. I'll see if i can fix this today. if not, by the end of the weekend.

hopefully that has done it.

Nope, it still has non-manifold holes. I opened it up in meshlab and have the problem areas highlighted in green. It's weird, it's only those two holes. The one on the other side is fine. Thank you for all your time and effort, I really appreciate it!!! This is the last part I need before I can put together my new printrbot. I'll post pics.

try now, sorry we'll get to the bottom of this. for some reason Blender is not showing me any non manifold edges.

That still didn't fix it, for some reason those holes were cut in half and had overlapping or self-intersecting facets. I used netfabb studio to repair. Looks like that fixed it. Here's all the repaired files, you might want to download and repost them thingiverse. Thanks for all your help!


Any chance of posting the source files? Or alternatively posting the wider base to accommodate the stock 8mm rods? I think quite a few people would be interested in that simple upgrade.

I use blender. I can import the stl files and further modify them...